1. Yog tustus tsis sib thablossis inlet / qhov hluav taws xob yeeb nkab ntawm cov taub dej yog txhaws, lub impeller lossis cov yeeb nkab yuav tsum raug ntxuav;
2. Lub nplhaib sib khi thiab cuam tshuam yog cov hnav kom loj heev thiab yuav tsum tau hloov nrog cov neeg puas lawm;
3. Yog tias lub twj tso kua mis ncej nrawm yog qis dua cov nqi teev tseg, lub twj tso kua dej yuav tsum tau hloov kho rau tus nqi teev;
4. Yog tias qhov qhib kev kawm ntawm lub hauv paus hauv qab yog tsis txaus lossis lub vijtsam kos yog thaiv, lub tsheb yuav tsum nres kom ntxuav lub ntsuas phoo; Lub qhov tob ntawm txoj kev nqus cov yeeb nkab tsis txaus, ua rau lub twj tso kua mis mus nqus hauv huab cua;
5. Txhaum ntawm kev nqus cov yeeb nkab; Cov toast; Yog tias lub nplhaib sib khi hnav, nws yuav tsum tau hloov nrog lub nplhaib tshiab sib dhos lossis cov impeller yuav tsum tau sib npaug thiab nruab nrog lub nplhaib tuab;
6. Tustus tsis sib thabyog cov hnav kom loj heev; Yog tias cov xuab zeb cov ntsiab lus hauv dej siab dhau, cov chaw ua kom pom kev yuav tsum tau ntxiv lossis lub tshuab yuav tsum tau zam kom tsis txhob raug kaw.